5-(Aminomethyl)-2-cyano-3-(trifluoromethoxy)pyridine-4-acetonitrile
4-(Aminomethyl)-5-cyano-3-(trifluoromethoxy)pyridine-2-acetonitrile
4-(Aminomethyl)-3-cyano-2-(trifluoromethoxy)pyridine-5-acetonitrile
5-(Aminomethyl)-3-cyano-4-(trifluoromethoxy)pyridine-2-acetonitrile